Fix h5 links in export documentation #1408

Job	Run time
linux-gallery-python3.8-minimum	2m 0s
linux-gallery-python3.12-upgraded	3m 0s
windows-gallery-python3.8-minimum	3m 16s
windows-gallery-python3.12-upgraded	4m 30s
conda-linux-gallery-python3.12-ros3	1m 27s
conda-linux-python3.12-ros3	1m 40s
linux-python3.8-minimum	7m 7s
linux-python3.12-upgraded	6m 18s
windows-python3.8-minimum	7m 54s
windows-python3.12-upgraded	7m 7s
macos-python3.8-minimum	13m 14s
conda-linux-python3.8-minimum	6m 25s
conda-linux-python3.12-upgraded	5m 31s
Deploy pre-release from dev	0s
	1h 9m 29s

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